From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756510AbdKCRQ6 (ORCPT ); Fri, 3 Nov 2017 13:16:58 -0400 Received: from mail-io0-f193.google.com ([209.85.223.193]:52541 "EHLO mail-io0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756206AbdKCRMq (ORCPT ); Fri, 3 Nov 2017 13:12:46 -0400 X-Google-Smtp-Source: ABhQp+TkypdFV2ZMa0eA6DyA56E0GqxyqPwXTsGLMcT1MyjoQwLNH5gXNUO/HlG2NHlwU+V+xzlYHg== From: Sami Tolvanen To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Greg Hackmann , Kees Cook , Matthias Kaehlcke , Nick Desaulniers , Sami Tolvanen Subject: [PATCH 06/15] efi/libstub: disable clang LTO Date: Fri, 3 Nov 2017 10:11:50 -0700 Message-Id: <20171103171203.107569-7-samitolvanen@google.com> X-Mailer: git-send-email 2.15.0.403.gc27cc4dac6-goog In-Reply-To: <20171103171203.107569-1-samitolvanen@google.com> References: <20171103171203.107569-1-samitolvanen@google.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org With CONFIG_CLANG_LTO, we produce LLVM IR instead of object files. Since LTO is not really needed here and the Makefile assumes we produce an object file, disable LTO for libstub. Signed-off-by: Sami Tolvanen --- drivers/firmware/efi/libstub/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index 2371a92808be..5146eee677ce 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -20,7 +20,8 @@ cflags-$(CONFIG_EFI_ARMSTUB) += -I$(srctree)/scripts/dtc/libfdt KBUILD_CFLAGS := $(cflags-y) -DDISABLE_BRANCH_PROFILING \ -D__NO_FORTIFY \ $(call cc-option,-ffreestanding) \ - $(call cc-option,-fno-stack-protector) + $(call cc-option,-fno-stack-protector) \ + $(DISABLE_LTO) GCOV_PROFILE := n KASAN_SANITIZE := n -- 2.15.0.403.gc27cc4dac6-goog